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Modern computers are capable of taking human instructions in a form of language called programming language and delivering output in fraction of a second.Today, computers are used in every office and institution for performing a number of tasks from maintaining and processing data, keeping records of transactions and employees, preparing and maintaining account statements, balance sheets etc.
3.: - ‘Information ’is the end point or the final output of any processed work.
When the output data is meaning it is called information.
Actually speaking electronic data processing does not go back more than just half a centaury i.e. In early days when our ancestor used to reside in cave the counting was a problem. When they started using stone to count their animals or the possession they never knew that this day will lead to a computer of today.
People today started following a set of procedure to perform calculation with these stones, which later led to creation of a digital counting device, which was the predecessor the first calculating device invented, was know as ABACUS.
First of all we will have to understand these terms in true sense.
1.: - “Data” is nothing but a mare collection of basic facts and figure without any sequence.
In thus process John Napier’s of Scotland invented a calculating device, in the year 1617 called the Napier Bones.
In the device, Napier’s used the bone rods of the counting purpose where some no. These rods that one can do addition, subtraction, multiplication and division easily.
In the year 1671, a German mathematics, Gottfried Leibniz modified the Pascal calculator and he developed a machine which could perform various calculation based on multiplication and division as well.
In the year 1833, a scientist form England knows to be Charles Babbage invented such a machine. This device was called Analytical engine and it deemed the first mechanical computer. The full form of ENIAC is “Electronic Numeric Integrated And Calculator” ENIAC was a very huge and big computer and its weight was 30 tones.